534 lines
14 KiB
C++
534 lines
14 KiB
C++
/*
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* Copyright 2009 Marco Martin <notmart@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "videowidget.h"
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#include <QUrl>
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#include <QTimer>
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#include <QGraphicsLinearLayout>
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#include <QGraphicsSceneResizeEvent>
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#include <kicon.h>
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#include <kfiledialog.h>
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#include <phonon/videowidget.h>
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#include <phonon/mediaobject.h>
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#include <phonon/mediasource.h>
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#include <phonon/audiooutput.h>
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#include <plasma/widgets/iconwidget.h>
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#include <plasma/widgets/slider.h>
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namespace Plasma
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{
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class VideoWidgetPrivate
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{
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public:
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VideoWidgetPrivate(VideoWidget *video)
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: q(video),
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ticking(false),
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forceControlsVisible(false),
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animId(0),
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hideTimer(0),
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shownControls(VideoWidget::NoControls),
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controlsWidget(0),
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playButton(0),
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pauseButton(0),
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stopButton(0),
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playPauseButton(0),
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progress(0),
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volume(0),
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openFileButton(0)
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{
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}
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~VideoWidgetPrivate()
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{
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}
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void playPause();
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void ticked(qint64 progress);
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void totalTimeChanged(qint64 time);
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void setPosition(int newProgress);
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void setVolume(int value);
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void volumeChanged(qreal value);
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void showOpenFileDialog();
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void openFile(const QString &path);
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void stateChanged(Phonon::State newState, Phonon::State oldState);
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void animateControlWidget(bool show);
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void hideControlWidget();
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void slidingCompleted(QGraphicsItem *item);
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bool spaceForControlsAvailable();
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VideoWidget *q;
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Phonon::VideoWidget *videoWidget;
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Phonon::AudioOutput *audioOutput;
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Phonon::MediaObject *media;
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bool ticking;
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bool forceControlsVisible;
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//control widgets
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int animId;
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QTimer *hideTimer;
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VideoWidget::Controls shownControls;
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QGraphicsWidget *controlsWidget;
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IconWidget *playButton;
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IconWidget *pauseButton;
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IconWidget *stopButton;
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IconWidget *playPauseButton;
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Slider *progress;
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Slider *volume;
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IconWidget *openFileButton;
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};
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void VideoWidgetPrivate::playPause()
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{
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if (media->state() == Phonon::PlayingState) {
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media->pause();
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} else {
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media->play();
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}
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}
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void VideoWidgetPrivate::ticked(qint64 newProgress)
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{
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ticking = true;
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progress->setValue(newProgress);
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ticking = false;
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}
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void VideoWidgetPrivate::totalTimeChanged(qint64 time)
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{
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ticking = true;
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//FIXME: this will break for veeery long stuff, butPhonon::SeekSlider seems to have the same problem
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progress->setRange(0, time);
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ticking = false;
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}
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void VideoWidgetPrivate::setPosition(int progress)
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{
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if (!ticking) {
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media->seek(progress);
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}
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}
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void VideoWidgetPrivate::setVolume(int value)
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{
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audioOutput->setVolume(qreal(value)/100.0);
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}
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void VideoWidgetPrivate::volumeChanged(qreal value)
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{
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volume->setValue(value*100);
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}
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void VideoWidgetPrivate::showOpenFileDialog()
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{
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openFile(KFileDialog::getOpenFileName());
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}
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void VideoWidgetPrivate::openFile(const QString &path)
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{
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media->setCurrentSource(Phonon::MediaSource(path));
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media->play();
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}
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void VideoWidgetPrivate::stateChanged(Phonon::State newState, Phonon::State oldState)
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{
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Q_UNUSED(oldState)
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if (newState == Phonon::PlayingState) {
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playPauseButton->setIcon("media-playback-pause");
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} else {
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playPauseButton->setIcon("media-playback-start");
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}
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}
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void VideoWidgetPrivate::animateControlWidget(bool show)
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{
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if (!controlsWidget || controlsWidget->isVisible() == show) {
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return;
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}
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QPoint oldPos(0,0);
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QPoint newPos(0,0);
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if (show) {
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oldPos = QPoint(0, -controlsWidget->size().height());
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} else {
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newPos = QPoint(0, -controlsWidget->size().height());
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}
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controlsWidget->setPos(oldPos);
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controlsWidget->show();
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animId = Animator::self()->moveItem(
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controlsWidget, Plasma::Animator::SlideOutMovement,
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newPos);
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}
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void VideoWidgetPrivate::hideControlWidget()
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{
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animateControlWidget(false);
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}
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void VideoWidgetPrivate::slidingCompleted(QGraphicsItem *item)
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{
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Q_UNUSED(item)
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animId = 0;
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if (!controlsWidget) {
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return;
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}
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if (controlsWidget->pos().y() < 0) {
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controlsWidget->hide();
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} else if (!forceControlsVisible) {
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hideTimer->start(3000);
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}
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}
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bool VideoWidgetPrivate::spaceForControlsAvailable()
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{
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if (controlsWidget) {
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QSize hint = controlsWidget->effectiveSizeHint(Qt::MinimumSize).toSize();
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return (q->size().width() >= hint.width()) &&
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(q->size().height() >= hint.height());
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} else {
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return true;
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}
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}
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VideoWidget::VideoWidget(QGraphicsWidget *parent)
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: QGraphicsProxyWidget(parent),
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d(new VideoWidgetPrivate(this))
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{
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d->videoWidget = new Phonon::VideoWidget;
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d->audioOutput = new Phonon::AudioOutput(this);
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d->media = new Phonon::MediaObject(this);
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//it appears that the path has to be created BEFORE setting the proxy
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Phonon::createPath(d->media, d->videoWidget);
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Phonon::createPath(d->media, d->audioOutput);
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setWidget(d->videoWidget);
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setAcceptHoverEvents(true);
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//FIXME: would be desiderable to have clipping on just when animating, seems that changing it on the fly messes up with visibility of children, indagate if is a qt bug
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setFlags(flags()|QGraphicsItem::ItemClipsChildrenToShape);
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connect(d->media, SIGNAL(tick(qint64)), this, SIGNAL(tick(qint64)));
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connect(d->media, SIGNAL(aboutToFinish()), this, SIGNAL(aboutToFinish()));
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connect(Plasma::Animator::self(), SIGNAL(movementFinished(QGraphicsItem*)),
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this, SLOT(slidingCompleted(QGraphicsItem*)));
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}
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VideoWidget::~VideoWidget()
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{
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delete d;
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}
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Phonon::MediaObject *VideoWidget::mediaObject() const
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{
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return d->media;
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}
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Phonon::AudioOutput *VideoWidget::audioOutput() const
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{
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return d->audioOutput;
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}
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void VideoWidget::setUrl(const QString &url)
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{
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d->media->setCurrentSource(Phonon::MediaSource(url));
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}
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QString VideoWidget::url() const
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{
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return d->media->currentSource().url().toString();
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}
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void VideoWidget::setUsedControls(Controls controls)
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{
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d->shownControls = controls;
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QGraphicsLinearLayout *controlsLayout;
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if (controls != NoControls && d->controlsWidget == 0) {
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d->controlsWidget = new QGraphicsWidget(this);
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controlsLayout = new QGraphicsLinearLayout(Qt::Horizontal, d->controlsWidget);
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d->hideTimer = new QTimer(this);
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connect(d->hideTimer, SIGNAL(timeout()), this, SLOT(hideControlWidget()));
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//controls == NoControls
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} else if (d->controlsWidget != 0) {
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d->controlsWidget->deleteLater();
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d->hideTimer->deleteLater();
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d->controlsWidget = 0;
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//disconnect all the stuff that wasn't automatically disconnected 'cause widget deaths
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disconnect(d->media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), this, SLOT(stateChanged(Phonon::State, Phonon::State)));
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disconnect(d->media, SIGNAL(tick(qint64)), this, SLOT(ticked(qint64)));
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disconnect(d->media, SIGNAL(totalTimeChanged(qint64)), this, SLOT(totalTimeChanged(qint64)));
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disconnect(d->audioOutput, SIGNAL(volumeChanged(qreal)), this, SLOT(volumeChanged(qreal)));
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return;
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}
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//empty the layout
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while (controlsLayout->count() > 0) {
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controlsLayout->removeAt(0);
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}
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if (controls&Play) {
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if (!d->playButton) {
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d->playButton = new IconWidget(d->controlsWidget);
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d->playButton->setIcon("media-playback-start");
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connect(d->playButton, SIGNAL(clicked()), this, SLOT(play()));
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}
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controlsLayout->addItem(d->playButton);
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} else {
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d->playButton->deleteLater();
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d->playButton = 0;
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}
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if (controls&Pause) {
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if (!d->pauseButton) {
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d->pauseButton = new IconWidget(d->controlsWidget);
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d->pauseButton->setIcon("media-playback-pause");
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connect(d->pauseButton, SIGNAL(clicked()), this, SLOT(pause()));
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}
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controlsLayout->addItem(d->pauseButton);
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} else {
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d->pauseButton->deleteLater();
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d->pauseButton = 0;
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}
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if (controls&Stop) {
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if (!d->stopButton) {
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d->stopButton = new IconWidget(d->controlsWidget);
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d->stopButton->setIcon("media-playback-stop");
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connect(d->stopButton, SIGNAL(clicked()), this, SLOT(stop()));
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}
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controlsLayout->addItem(d->stopButton);
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} else {
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d->stopButton->deleteLater();
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d->stopButton = 0;
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}
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if (controls&PlayPause) {
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if (!d->playPauseButton) {
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d->playPauseButton = new IconWidget(d->controlsWidget);
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d->playPauseButton->setIcon("media-playback-start");
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connect(d->playPauseButton, SIGNAL(clicked()), this, SLOT(playPause()));
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}
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controlsLayout->addItem(d->playPauseButton);
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} else {
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d->playPauseButton->deleteLater();
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d->playPauseButton = 0;
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}
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connect(d->media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), this, SLOT(stateChanged(Phonon::State, Phonon::State)));
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if (controls&Progress) {
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if (!d->progress) {
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d->progress = new Slider(d->controlsWidget);
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d->progress->setMinimum(0);
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d->progress->setMaximum(100);
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d->progress->setOrientation(Qt::Horizontal);
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controlsLayout->setStretchFactor(d->progress, 4);
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connect(d->media, SIGNAL(tick(qint64)), this, SLOT(ticked(qint64)));
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connect(d->media, SIGNAL(totalTimeChanged(qint64)), SLOT(totalTimeChanged(qint64)));
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connect(d->progress, SIGNAL(valueChanged(int)), this, SLOT(setPosition(int)));
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}
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controlsLayout->addItem(d->progress);
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} else {
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d->progress->deleteLater();
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d->progress = 0;
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}
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if (controls&Volume) {
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if (!d->volume) {
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d->volume = new Slider(d->controlsWidget);
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d->volume->setMinimum(0);
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d->volume->setMaximum(100);
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d->volume->setValue(100);
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d->volume->setOrientation(Qt::Horizontal);
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connect(d->volume, SIGNAL(valueChanged(int)), SLOT(setVolume(int)));
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connect(d->audioOutput, SIGNAL(volumeChanged(qreal)), SLOT(volumeChanged(qreal)));
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}
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controlsLayout->addItem(d->volume);
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} else {
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d->volume->deleteLater();
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d->volume = 0;
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}
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if (controls&OpenFile) {
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if (!d->openFileButton) {
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d->openFileButton = new IconWidget(d->controlsWidget);
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d->openFileButton->setIcon(KIcon("document-open"));
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connect(d->openFileButton, SIGNAL(clicked()), this, SLOT(showOpenFileDialog()));
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}
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controlsLayout->addItem(d->openFileButton);
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} else {
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d->openFileButton->deleteLater();
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d->openFileButton = 0;
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}
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controlsLayout->activate();
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d->controlsWidget->setPos(0,-d->controlsWidget->size().height());
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d->controlsWidget->resize(size().width(), d->controlsWidget->size().height());
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d->controlsWidget->hide();
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}
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VideoWidget::Controls VideoWidget::usedControls() const
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{
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return d->shownControls;
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}
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void VideoWidget::play()
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{
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d->media->play();
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}
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void VideoWidget::pause()
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{
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d->media->pause();
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}
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void VideoWidget::stop()
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{
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d->media->stop();
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}
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void VideoWidget::seek(qint64 time)
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{
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d->media->seek(time);
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}
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qint64 VideoWidget::currentTime() const
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{
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return d->media->currentTime();
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}
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qint64 VideoWidget::totalTime() const
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{
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return d->media->totalTime();
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}
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qint64 VideoWidget::remainingTime() const
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{
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return d->media->remainingTime();
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}
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void VideoWidget::setControlsVisible(bool visible)
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{
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if (d->controlsWidget) {
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d->forceControlsVisible = visible;
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d->animateControlWidget(visible);
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}
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}
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bool VideoWidget::controlsVisible() const
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{
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return d->controlsWidget != 0 && d->controlsWidget->isVisible();
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}
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void VideoWidget::setStyleSheet(const QString &stylesheet)
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{
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d->videoWidget->setStyleSheet(stylesheet);
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}
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QString VideoWidget::styleSheet()
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{
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return d->videoWidget->styleSheet();
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}
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Phonon::VideoWidget *VideoWidget::nativeWidget() const
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{
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return d->videoWidget;
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}
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void VideoWidget::resizeEvent(QGraphicsSceneResizeEvent *event)
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{
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QGraphicsProxyWidget::resizeEvent(event);
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if (d->controlsWidget) {
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d->controlsWidget->resize(event->newSize().width(), d->controlsWidget->size().height());
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if (d->spaceForControlsAvailable()) {
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d->animateControlWidget(false);
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}
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}
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}
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void VideoWidget::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event)
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if (d->controlsWidget &&
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!d->forceControlsVisible &&
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d->spaceForControlsAvailable()) {
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d->animateControlWidget(true);
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}
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}
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void VideoWidget::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event)
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if (d->controlsWidget && !d->forceControlsVisible) {
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d->hideTimer->start(1000);
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}
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}
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void VideoWidget::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event)
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if (d->forceControlsVisible || !d->controlsWidget) {
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return;
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}
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d->hideTimer->start(3000);
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if (!d->controlsWidget->isVisible() &&
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d->spaceForControlsAvailable()) {
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d->animateControlWidget(true);
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}
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}
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} // namespace Plasma
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#include <videowidget.moc>
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